public class test {
	public static void main(String[] args) {
        SendTask a = new SendTask("hx201835", 13.2);
        Transportation b = new JDTransportation("zh1002", "长城", "小张");
        GPS c = new Phone();
        a.sendBefore();
        a.send(b, c);
        a.sendAfter(b);
    }
}
